Science

Wednesday, 21 October 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Earth
The Earth formed from a proto-planetary disk around the Sun about 4.54 billion years ago.
For its first billion years, it was a hostile, harsh, rocky place where life did not exist. According to research, the first living organisms appeared in Earth's oceans about 3.5 billion years ago.
Deimos
The diameter of Deimos during a solar eclipse on Mars is only 2.5 times greater than the diameter of Venus during transit.
Mushrooms
Most fungi develop as hyphae, which are cylindrical, filamentous structures 2-10 µm in diameter and up to a few centimeters long.
The hyphae branch, merge, which leads to the formation of mycelium, which is an interconnected netwo ...
lava
Lava can take many different forms.
Common forms are aa, pahoehoe and pillow lava.
NASA
The most memorable mission of Project Mercury was Freedom 7.
The liftoff took place on May 5th, 1961. It allowed Alan Shepard Jr. to go down in history as the fi ...
Moon
The Moon's core consists of a solid part made mainly of iron and a semi-liquid part surrounding it.
The solid core has a diameter of 240 km and the semi-liquid core has a diameter of about 330 km.
Large Magellanic Cloud
The diameter of the Large Magellanic Cloud is approximately 14.000 light years.
Fungi
Mushrooms are of great importance in the development of civilization, due to their key role in the production of bread and wine.
Many species of mushrooms are used in food production: bread, alcohol, and cheese. Some of them, suc ...
Snow
Snowflakes falling on the water produce a penetrating sound.
This is the view of some researchers, claiming that a snowflake falling on water produces a high-fre ...
Titan
In June 2027, NASA plans to send a Dragonfly mission to Titan.
It is to reach the surface of the moon in 2036 and, among other things, analyze the organic compound ...